Sleeping bag



FIG. 1 is a front side perspective view of our sleeping bag, shown in the fully closed configuration;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front side perspective view of our sleeping bag, shown in the fully open configuration;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side devotional view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines, shown throughout the views on the surface of the sleeping bag, represent stitching, which forms no part of the claimed design. 

The ornamental design for a sleeping bag, as shown and described. 